diff --git a/src/01-hello.go b/src/01-hello-world.go
similarity index 57%
rename from src/01-hello.go
rename to src/01-hello-world.go
index f8b0f93..8b668bb 100644
--- a/src/01-hello.go
+++ b/src/01-hello-world.go
@@ -1,8 +1,4 @@
-                                // Hello World
-
-                                // Here's an example Go program.
-
-package main
+package main                    // Here's an example Go program.
 
 import "fmt"
 
diff --git a/src/02-values.go b/src/02-values.go
index 48cbeb8..b0ee686 100644
--- a/src/02-values.go
+++ b/src/02-values.go
@@ -1,10 +1,5 @@
-                                       // Vaules
-
-                                       // Go has various value types, including strings,
+package main                           // Go has various value types, including strings,
                                        // different types of numbers, booleans, etc.
-
-package main
-
 import "fmt"
 
 func main() {
diff --git a/src/05-variables.go b/src/05-variables.go
index caa74fb..1389a9a 100644
--- a/src/05-variables.go
+++ b/src/05-variables.go
@@ -1,5 +1,3 @@
-                                  // Variables
-
 package main
 
 import "fmt"